Rename fxmath_barcodeimp to cfx_barcode

xfa.gyp

 {
   "variables": {
     "chromium_code": 1,
     "pdf_enable_v8%": 1,
   },
   "target_defaults": {
     "defines": [
       "PDF_ENABLE_XFA",
     ],
     'msvs_disabled_warnings': [
@@ skipping 126 matching lines @@
         "xfa/fgas/layout/fgas_rtfbreak.h",
         "xfa/fgas/layout/fgas_textbreak.cpp",
         "xfa/fgas/layout/fgas_textbreak.h",
         "xfa/fgas/layout/fgas_unicode.cpp",
         "xfa/fgas/layout/fgas_unicode.h",
         "xfa/fgas/localization/fgas_datetime.cpp",
         "xfa/fgas/localization/fgas_datetime.h",
         "xfa/fgas/localization/fgas_locale.cpp",
         "xfa/fgas/localization/fgas_locale.h",
         "xfa/fgas/localization/fgas_localeimp.h",
+        "xfa/fwl/basewidget/cfx_barcode.cpp",
+        "xfa/fwl/basewidget/cfx_barcode.h",
         "xfa/fwl/basewidget/fwl_barcodeimp.cpp",
         "xfa/fwl/basewidget/fwl_barcodeimp.h",
         "xfa/fwl/basewidget/fwl_caretimp.cpp",
         "xfa/fwl/basewidget/fwl_caretimp.h",
         "xfa/fwl/basewidget/fwl_checkboximp.cpp",
         "xfa/fwl/basewidget/fwl_checkboximp.h",
         "xfa/fwl/basewidget/fwl_comboboximp.cpp",
         "xfa/fwl/basewidget/fwl_comboboximp.h",
         "xfa/fwl/basewidget/fwl_datetimepickerimp.cpp",
         "xfa/fwl/basewidget/fwl_datetimepickerimp.h",
         "xfa/fwl/basewidget/fwl_editimp.cpp",
         "xfa/fwl/basewidget/fwl_editimp.h",
         "xfa/fwl/basewidget/fwl_formproxyimp.cpp",
         "xfa/fwl/basewidget/fwl_formproxyimp.h",
         "xfa/fwl/basewidget/fwl_listboximp.cpp",
         "xfa/fwl/basewidget/fwl_listboximp.h",
         "xfa/fwl/basewidget/fwl_monthcalendarimp.cpp",
         "xfa/fwl/basewidget/fwl_monthcalendarimp.h",
         "xfa/fwl/basewidget/fwl_pictureboximp.cpp",
         "xfa/fwl/basewidget/fwl_pictureboximp.h",
         "xfa/fwl/basewidget/fwl_pushbuttonimp.cpp",
         "xfa/fwl/basewidget/fwl_pushbuttonimp.h",
         "xfa/fwl/basewidget/fwl_scrollbarimp.cpp",
         "xfa/fwl/basewidget/fwl_scrollbarimp.h",
         "xfa/fwl/basewidget/fwl_spinbuttonimp.cpp",
         "xfa/fwl/basewidget/fwl_spinbuttonimp.h",
         "xfa/fwl/basewidget/fwl_tooltipctrlimp.cpp",
         "xfa/fwl/basewidget/fwl_tooltipctrlimp.h",
-        "xfa/fwl/basewidget/fxmath_barcodeimp.cpp",
-        "xfa/fwl/basewidget/fxmath_barcodeimp.h",
         "xfa/fwl/basewidget/ifwl_barcode.h",
         "xfa/fwl/basewidget/ifwl_caret.h",
         "xfa/fwl/basewidget/ifwl_checkbox.h",
         "xfa/fwl/basewidget/ifwl_combobox.h",
         "xfa/fwl/basewidget/ifwl_datetimepicker.h",
         "xfa/fwl/basewidget/ifwl_edit.h",
         "xfa/fwl/basewidget/ifwl_listbox.h",
         "xfa/fwl/basewidget/ifwl_monthcalendar.h",
         "xfa/fwl/basewidget/ifwl_picturebox.h",
         "xfa/fwl/basewidget/ifwl_pushbutton.h",
@@ skipping 554 matching lines @@
           "sources": [],
         }],
         ["OS == 'mac'", {
           "configurations": {},
           "sources": [],
         }],
       ]
     }
   ]
 }